
Oilsyn ReleaseTech Power Flush Review
by FTE Published on Friday, April 4th, 2025

Product Overview
Oilsyn ReleaseTech Power Flush represents a revolutionary breakthrough in engine cleaning technology, introducing the first ester-based engine flush available on the market. This 250ml professional-grade cleaner combines next-generation multi-cleaning technology with Group VI Ester and Friction Modifier to deliver safe and rapid compression restoration. With its proprietary 30+ TBN cleaning power and bore glazing removal capabilities, ReleaseTech safely removes sludge, particulates, gum and varnish from the crankcase and engine components while helping restore engine compression. Developed and manufactured in the UK by Oilsyn, this innovative product offers a non-corrosive solution that’s fully compatible with all petrol and diesel engines, including those with particulate filters, making it the perfect surface preparation for subsequent Oilsyn Velosyn or NanoC5 treatments.
Oilsyn ReleaseTech Power Flush represents a breakthrough in engine cleaning technology as the first ester-based engine flush available on the market. Unlike conventional petroleum-based cleaners, the Group VI Ester formulation provides superior cleaning power while maintaining complete compatibility with all engine seals and components. This innovative approach delivers professional-grade results with enhanced safety, making it suitable for both modern and classic engines without risk of damage or deterioration.
Final Verdict
Oilsyn ReleaseTech Power Flush represents a genuine breakthrough in engine cleaning technology, introducing the first ester-based engine flush available on the market. This revolutionary approach delivers professional-grade cleaning performance while maintaining complete safety for all engine components, including seals and emission control systems. The proprietary Group VI Ester and Friction Modifier technology provides superior deposit removal capabilities that exceed conventional petroleum-based cleaners, making it an exceptional choice for both preventive maintenance and restoration applications.
The product’s 30+ TBN cleaning power and bore glazing removal capabilities deliver measurable improvements in engine compression and oil consumption, while the non-corrosive formulation ensures complete safety for modern and classic engines alike. Customer feedback consistently confirms the product’s effectiveness, with users reporting impressive cleaning results and noticeable performance improvements. The UK manufacturing and Oilsyn’s commitment to innovation provide additional confidence in the product’s quality and reliability.
While ReleaseTech Power Flush commands a premium price compared to basic engine flushes, the revolutionary technology and superior performance justify the investment for serious automotive enthusiasts and professionals. The product is particularly recommended for high-value engines, restoration projects, or any application where maximum cleaning effectiveness and component safety are paramount. For those seeking the most advanced engine cleaning technology available, ReleaseTech Power Flush represents the cutting edge of automotive chemical engineering and delivers results that simply cannot be achieved with conventional products.